BE758823A - Pellicule de polymere microporeux a cellules ouvertes et son obtention - Google Patents

Pellicule de polymere microporeux a cellules ouvertes et son obtention

Info

Publication number
BE758823A
BE758823A BE758823DA BE758823A BE 758823 A BE758823 A BE 758823A BE 758823D A BE758823D A BE 758823DA BE 758823 A BE758823 A BE 758823A
Authority
BE
Belgium
Prior art keywords
obtaining
open
polymer film
microporous polymer
cell microporous
Prior art date
Application number
Other languages
English (en)
Inventor
M L Druin
J T Loft
S G Plovan
Original Assignee
Celanese Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Publication of BE758823A publication Critical patent/BE758823A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/001—Tubular films, sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BE758823D 1969-11-13 Pellicule de polymere microporeux a cellules ouvertes et son obtention BE758823A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87651169A 1969-11-13 1969-11-13
US8471270A 1970-10-28 1970-10-28

Publications (1)

Publication Number Publication Date
BE758823A true BE758823A (fr) 1971-05-12

Family

ID=26771333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758823D BE758823A (fr) 1969-11-13 Pellicule de polymere microporeux a cellules ouvertes et son obtention

Country Status (8)

Country Link
BE (1) BE758823A (fr)
CA (1) CA925671A (fr)
CH (1) CH539496A (fr)
DE (1) DE2055193C2 (fr)
ES (1) ES385526A1 (fr)
FR (1) FR2067271B1 (fr)
GB (1) GB1287505A (fr)
IL (1) IL35643A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843761A (en) * 1973-05-30 1974-10-22 Celanese Corp Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
US5677360A (en) * 1991-02-13 1997-10-14 Mitsubishi Rayon Co., Ltd. Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them
DE69225359T2 (de) * 1991-02-13 1998-10-08 Mitsubishi Rayon Co Verfahren zur herstellung von hydrophilen porösen fasern und membranen
EP1407069A4 (fr) 2001-06-19 2005-03-30 Kappler Inc Toile composite permeable a la vapeur, impermeable aux liquides et procede de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB887346A (en) * 1959-09-09 1962-01-17 Ici Ltd Linear polyester films and processes for their production
US3426754A (en) * 1964-06-12 1969-02-11 Celanese Corp Breathable medical dressing
FR1544807A (fr) * 1967-09-27 1968-11-08 Celanese Corp Pellicule à cellules ouvertes

Also Published As

Publication number Publication date
CH539496A (fr) 1973-07-31
ES385526A1 (es) 1973-10-01
DE2055193A1 (de) 1971-05-19
GB1287505A (en) 1972-08-31
DE2055193C2 (de) 1985-09-12
FR2067271B1 (fr) 1975-01-10
IL35643A0 (en) 1971-02-25
FR2067271A1 (fr) 1971-08-20
CA925671A (en) 1973-05-08
IL35643A (en) 1973-07-30

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CELANESE CORP.

Effective date: 19901112